GLB Class (X247) Produced 2020 to Present

Active break assist, blind-spot, and ESP all not functioning

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Old May 10, 2022 | 05:14 PM
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Yeltrab's Avatar
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From: Midwest
'21 GLB 250 4Matic, '17 GLC 300
Active break assist, blind-spot, and ESP all not functioning

Yesterday while driving I got three consecutive error/alert screens stating that the blind spot monitoring, active break assist, and ESP were no longer functioning. I also noticed that the auto/start stop was also no longer active and couldn't be turned back on (although there was no error announcing that). After parking for a store visit, the errors reappeared after restarting and driving for a couple minutes. After parking overnight, a short early AM trip to the gym did NOT trigger the same errors, until 2 ours later when I returned home. So fairly inconsistent. Anyone experienced this trifecta of errors? Have a service visit set-up but not until end of the month unfortunately.
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Old May 11, 2022 | 02:26 AM
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Odd Piggy's Avatar
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2021 GLB250 FWD, 2023 GLA250 FWD, 2013 C250, 2015 GLK350, 2005 ML350SE, 2003 E320
Scan for trouble codes (DTCs).
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Old May 11, 2022 | 08:45 AM
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Vladimir Livson's Avatar
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2021 Mercedes GLB250 4Matic
There were few times when I had active break assist "Off" message. Couple of times were during snow storm, when front radar gets covered with snow or ice, and few times it gave me the massage that the front radar is blocked, but when I checked it was just dirt, mud, etc. On all occasions the message went away once the front star got cleared/cleaned.
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